Feeding device for webs of paper and other material



Dec. 8, 1925. n 1,564,794

H. HUMPHREYS FEEDING DEVICE FOR WEBE OF PAPER AND OTHER MATERIAL FiledDec. 4, 1923 3 Sheets-Sheet 1 f Fig.4,

1 veziibl WKW DeC. 8 H. HUMPHREYS D OTHER MATERIAL FEEDING DEVICE-FOR'WEBS OF PAPER AN Fi1ed Dec.4, 1923 3 She ets-Sheet 2 Dec. 8,1925.1,564,794

H. HUMPHREYS FEEDING DEVICE FOR WEBS OF PAPER AND OTHER MATERIAL FiledDec. 4, 1923 3 Sheets-Sheet 5 IINVENTOR .I I jj r ry umpizfeysATTORNEYi.

Patented Dec; 8,1925

UNITED STAT ES 'P ATENT OFFICE. 4

HARRY HUMPHREYS, 0F RALnAMoNA, DAVENPORT, ENGLA D, AssIGNoR '10 UNIoNIBAG'& PAPER co Po ATIoN, 01 EW YoRx', N. Y., A coRroRA'rIoN OF NEWJERSEY.

FEEDING ngvron FOR wins or PAPER AND OTHER MATERIAL.

Application filed December 4, 1923. Serial No. 678,533.

To all-whom it may concern:

Be it known that I, HARRY HUMPHREYS,

a subject of the King of Great Britain and Ireland, and residing atBallamona, Davenport, in the county of Chester, England, have inventedcertain new and useful Improvements in and Relating to Feeding Devicesfor \Vebs of Paper and Other Material, of which the following is aspecification.

This invention relates to a method of and means or devices forcorrecting, regulating or adjusting the register or position of a markor imprint iipon a previously marked or printed web of paper, cloth,cardboard, pulpboard or other material hereinafter referred to asmaterial) relative to a device operative upon such at intervals in thelength thereof, of the type wherein the material is automaticallymaintained in register by aid of perforations formed in the web inco-operation with a detecting device.

The invention has for its object the provision of an improved automaticmethod and means whereby the register ,of the mark or imprint upon thematerial is maintained or controlled with respectto the functions of thedevice operative upon the material at intervals in the length thereof.

,1.\ccording-to the invention the relative rate of feed of the materialwith respect to the functions of thedevice operative thereon atintervalsin its length, ,is relatively re tarded or increased by meansactuated by or dependent for their actuation .upon'the position of theperforations in the material with respect to a point or detective devicefixed as regards positions or constant in point of time and with respectto a con trolling device timed to. function in synchronism with themovements of the device operative upon the material. y

The detector device may be in the form of electric means such as afceleror electric contact adapted in certain circumstances to establish acircuit through a perforation or orifice in the material, or such devicemay be pneumatic, operating either by compressed air or upon a vacuumsystem dependent upon thefsituation of an orifice or I perforationrelative thereto.

The controlling device may he in the form of a rotary switch ordistributor in the case of an electrically operated method and wherepneumatic means 'are employed a valve, preferably of rotary form, may beutilized. Further,'the controlling device may be embodied orincorporated in the detecting device by causing the latter to be movedor rotated in synchronism with the movements of the operative device.

The invention also comprises a method of regulating or controlling theposition of a mark or imprint upon a previously marked or printed web ofmaterial relative to a device operative upon such material at intervalsin the length thereof, consisting in continuously drawing or tending todraw or feed a longer or shorter length of material than is requiredaccording to the interval at which it is designed or intended thematerial is to be operated upon in relation to the mark or imprint andin automatically retarding oradvancing the rate of feed of the material;in accordance with the excess of-deficiency of materialtending to be de-The invention also comprises making an electric contact through anorifice in the material to cause electric current to flow, andcontrolling the duration of flow in timed relationship with the functionof the operative device so as to effect any desired altera tion in therelative position of the mark or imprint to the operative device.-

' It is pointedi'out that alterations in the rate of feed of material orlengths of material operated upon are'relative and that the inventionincludes: change of rate of feed or length of material delivered to anoperative device operating at a constant speed, and a constant rate offeed or length of material delivered to an operative device actuated 'ina variable manner either as regards timeprposition, that is to say, theintervals of time at which the operative device functions may-be varied(increased; or

clude an decreased) or the longitudinal position which such deviceoperates with respect to the means delivering the material may ;be'adjusted towards or away from such deliv- 'ery means. Thus in readingthe foregoing and following description, consequent modifications mustbe included with the terms employed.

The. operative device above referred to may be a device or mechanismadapted to impose a further mark or imprint upon the material, either bysuperimposition or in spaced relationship to the first mark or imprint,or the device'may be one adapted to sever, fold or perforate thematerial in relation to a mark or im rint.

The term perforation is intended to inslot or aperture in the materialor any ormation or increase in thickness by the aid of which electricalcontacts may be made or energy released.

Perforation's 1n the material should be disposed in predeterminedrelation to the imprint and with respect to'the controlling devicewhether such device be operated in unison with the severing or otherdevice or otherwise.

In the accompanying drawings Figures 1 to 5 diagrammatically representvarious modes of carrying the invention into effect.

Fig. 6 is a diagrammatic view of a machine illustrative of my invention;Fig. 7 is a diagrammatic view of a detail.

In carrying the invention into effect according to one convenient mode,as applied by way of example to a machine which is adapted to besupplied with a previously printed web of material bearing a series ofperforations orapertures, each of which is situated in a definite orsubstantially constant relationship with an imprint, an appropriateroller in the machine, preferably a roller such as A (Figure 1) overwhich the material is introduced into the machine, is provided with acontinuous metal contact device. This may be in the form of a metal bandencircling a'portion of the roller or the roller itself may be entirelyof metal so that it may act as a conductor for electric current. hematerial 10 indicated by the dot-dash line is adapted to pass over thisroller A in its travel into the machine and in alignment with the pathof the series of perforations or apertures a detector or fixed contactbrush a (hereinafter termed the orifice establis detector brush) ismounted, so that as each passes beneath 'the brush contact is ed betweenthe brush and the roller or band and current may flow from the brush tothe roller-(or band) or vice versa. 7 In order to convey current to orfrom the roller a second brush or contact (1 (hereinafter called thefeeder brush) is mounted in an appropriate position so that it willcontinuously bear upon the metal roller or upon the metal band in thecase where the whole of the roller is not conductive.

In any suitable situation upon or adjacent the machine, a rotarycontroller or dlStIiblb. tor B is provided which may be in the form of ametal disc mounted upon trunnions or upon a shaft so that it may berotated. The edge of the disc is provided with a strip or short sectorof insulating material I) so that any contact device bearing upon theedge of the disc will ride over the insulating strip once during eachrevolution According to the preferred'form two con I tact brushes 6 andb are provided which are adapted to ride upon the edge or periphery ofthe controller or distributor disc and are connected by electric leadsin a circuit to be hereinafter described.

A third contact brush b is provided which en agesthe disc so" that'itmay act as a fee or return or from the controller disc.

Feed rollers 1112 of the usual type adapted to draw anddeliver the webto a,

severing device 13 are provided but are so driven or set that theycontinuously advance 'or tend to feed to the severing device a greaterlength of material than'is required for the severed into lengths. One ofthese draw rolls (or both of them) is provided with a brake 14 adaptedto be actuated bya solenoid or other electrical or electro-mechanicaldevice 15; with a'view to retarding the operations of the draw rolls tocause such (instead of delivering an excess of material) to deliver thatlength required according to the correct size of length to be severed.The retarding of the draw rolls may .be accomplished by providing atriopath forcurrent to purpose for which the material is tional drivetherefor and permitting slipto take place. I

According to another form the draw rolls may be positively driven so asto tend to deliver an exces's to the severing device and a device may beprovided which is adapted to act in the nature of a brake 16 (Fig. 7)upon the material or a variable extension of its path, before thematerial reaches the draw rolls. -When such device is'opcratod thematerial willbe momentarily-held back from the draw rolls causingsame-to slip and consequently deliver-a decreased length of material tothe severing device than they would deliver in operating upon thematerial when unretarded. r

The brake or .functionally equivalent mechanism, whether upon the drawrolls themselves or adaptedg to' act upon the material previous to its et'ry between the draw rolls, may be provide "with means whereby theretarding or braking efi'ect'may be varied or adjusted manipulation.

The rotary controiler or distributing disc B is driven androtated insynchronism with the severing device 13, that is to say, in the presentinstance for each operation of the severing device upon the web therotary control disc B makes one revolution.

Contact brush 6' bearing upon the edge of the rotary disc is connectedto one pole (say- ;tive) of the source of E. M. F. by a line 3 whichincludes in its electric circuit a relay device 4 which when actuated isadapted to draw down an armature or switch member 5, so that the switchmember or armature is connected in the circuit to the negative pole ofthe source of supply.

The third brush or contact 6 is connected (line 6) to the armature orswitch arm 5 of the relay 4. Across the relay device or in any othersuitable situation a parallel circuit '7, 8 is provided adapted toconveycurrent to the solenoid or other electric or electro-mechanical brakeoperating device 15 at the draw roll end of the machine.

The contacts 7) and b of the distributor or controller B are spacedapart at an appropriate circumferential distance, so that in view of thedirection of rotation of the disc (indicated bythe arrow) they areseparated in point of timeby any period upto that approximatelycorresponding to a length of material delivered to the severing devicefor the full length required.

" The situation of the brush b may be .ad-

justed by any suitable means towards or away from the contact I)accordingto the -'pc1'iod for which it is desired the brake shouldoperate.

In operation the rotary controller device 13 is set so that at themoment the severing device13 severs the web, the insulation strip isunder the contact I) of the rotary controller.

Assuming the paper web is being delivered or'fed to the'severing devicewith'its imprint in correct register with the operation of the latterand the correct lengths of web are being delivered, the detector 'brusha will make contact with its roller A through a perforation in thematerial simultaneously with the arrival of the insulation strip 1)beneath the brush 1) and consequently no current will flow: in theelectric circuit. Should, however, the feed rollers deliver a longerlength of material to the severing device than is requisite, thecorresponding per foration in the web will arrive at the detector brusha prior t6 the arrival of insulation strip 1) beneath the contact N. Insuch c rcumstances the electric circuit will be completed through theperforation in the web in what may be the primary circuit, viz, (see-Figure 1) positive lead 1, 'b, conducting body of controller disc B,brush 72 feeder brush a, roller or band A, detector ing the relay deviceto operate the switch or armature 5 and place the brush b in electriccircuit. Almost immediately the continued rotation of the controller Bcauses the primary circuit to be broken at a point away from thematerial by reason of the insulating strip 1) coming under the brush N,or by reason of the material intervenlng at the detector brush, in whichcircumstances the current will flow or be maintained in what may bereferred to as the secondary circuit, v1z,

from brush b direct to the brush 5 (through the disc B) and through thearmature or switch 5, lines '7 and back to the negative pole through thelines 8 and Thus the maintained secondary circuit comprises positivesupply, brush 6, controller disc, brush b armature or switch 5, relaycoils 4 and negative lead 3 with the brake circuit 7 and 8 in parallel.The establishment oi? this circuit causes the brake or equivalent device14-15 to operate at the draw rolls and retards the feed of materialcorrecting the defect which has given rise to the establishment of thecircuit. The secondary circuit will be maintained until the insulatingstrip arrives at the brush b when the circuit will be broken, only to bere-established again when a perforation arrives underneath. the detectorbrush before the insulating strip Z) coincides with or meets the brush bAccording to a modification, instead of providing a fixed detectorbrush, a rotary detector brush or contact maker may be employed. In thisform the upper roller A brush a, relay 4 and negative lead 3, cans:

(Figure 2) of the rear draw rolls (or other appropriate roller) isprovided with an arcuate brush or contact maker a located in the ath ofthe perforations upon the material. he rotary cqntact brush undercertain conditions is adapted to make contact with a 'lower roller Athrough the perforations or apertures in the material.

The rollers A, "A should be driven synchronously with the severingdevice.

The lower roller -A may be made intirely of conducting metal, or aportion thereof, such as a band, may be adapted to act as a conductor.

The roller A or its hand has a constant electrical connection by the aidof a brush 7). I

A second brush 6 is provided for the roller or band situated in the pathof an insulation strip or block. b with which the :roller or band isprovided; In-this modification the primary circuit comprises thepositive source of supply, leads 1 including relay'coi1s4, rotarydetector brush a, body of the roller A or its band, contact brush 7) andreturn lead 3 to negative supply. The secondary circuit comprisespositive source of supply. relay coils 4 and parallel circuit 7, 8 ofbrake device, armature or switch arm contact If, body of roller A or itsband, brush b and return to negative supply. 1

It is to be noted that in the present and in '5 the hereinbeforedescribed manner of carrying the invention into effect the parallel circuit '7, 8 18 included in both e primary and secondary circuit but isreferred to as being part of the secondary circuit as it continues 1 tocarry current after primary circuit is J'broken.

In operation the rotary detector brush a is set so that the perforationsin sequence pass in rear of, and preferably just in rear or behind ofit, and this relative situation of the detector brush and theperforations are synchronous with the operations of the severingdevicewhenever the correct length of web is delivered to the severingdevice.

Assuming the material to be correctly in register it will be appreciatedthat a per foration arrivesbetween the two rollers A, A too late to beengaged by the rotary de tector brush a so that the latter cannot es- Itablish electric circuit with the roller beneath it, but as soonas thedraw rolls feeding the severing -device advance a greater.

length of material than required, the next apertureor perforation willarrive at the point of contact between the two rollers A, A 'beforetherotary detector brush a has "left the peripheral point of ,cdntact and,

5 consequently,'electric'contact will be establishedthrough the apertureand the prlmary circuit will be established via the brush b The'makingof the primary circuit immediately causes the armature or switch arm 5-to-.. introduce the secondary circuit .via the contact 6 As soon as theperforation and 0' rotary detector. brush a pass away from thecontactroller or band A, the primary cir cuit'is broken. The secondary.circuit wlll be-maintained during the rotatlon of the 1n-.

sulation strip b-iintil it reaches the contact- 6 when the secondarycircuit will be broken.

The; duration of the current in the secondary circuit depends upon thesituation of the brush I2 and the position of the insula-' tion strip inits rotary path with respect to the-time at which the perforationarrives.

* funder the' rotary detector brush. a. For the 'urpose of varying theperiod over which the brakejs' applied to the draw rollsby themaintenance'of the secondary circuit the situation of the brush 6 maybeadjusted' by any convenient means'in an arcuate path.

substantial portion of its circumference. In

Ntive source of supp spring-pressed plunger a, located .in the pathof-the perforations in the material and con.-

nected by lead 2 in an electric circuit, the

making of which eitherdirectly (or indirectly by aid of a secondarycircuit) actuates v meansfor. altering the position of the imprint ormark upon the material relative to the severing or operative device. Thearcuate contactpla'te C is also electrically connected in the circuiltpreferably to the posi- The branch leads 7, 8 extend to the brake deviceor other means for altering the'position of the imprint with respecttothe severing device, so that such device or means is included in thecircuit as indicated in the figure.

When the spring-pressed plunger a re isters with a perforation,.contactis establis edbetween the plunger and the arcuate plate C. During therotation of the plunger in contact with the material the arcuate platesupports the plunger and obviates any effect the latter might otherwisehave to puncture or bulge the material at the point of contact.

In operation the roller A is set so that when the. arterial is incorrect register with the se ering device. the perforations on the webpass in rear of the plun era so that no electric circuit is established.When the material is out of register a per-' foration' will coincidewith the plunger'a and travel with it over the'interval during whichthematerial travels through vthe zone of the arcuate plate C.Consequently, the plunger a will contact with the arcuate plate C andestablish the electric circuit which is tering the disposition of themark or imprint ln relation to the function of the severing device andthis contact will be mainto cause the actuation of the means for al--11) tained for the whole of the period during" which the plate. 4 v IThe period during which the electric circuit is'maintained may be variedby providing means whereby the effective length of plunger. travels overthe arcuate theplate may be varied. v

The foregoing description has been confined to the application of theinvention to instances in which the draw rolls are driven or'set.' tofeed anexcess of material. The invention may, however, be carried intoeffect by arranging forthe draw rolls conadapted to operate mechanism orcause stantly to deliver a "less quantity of material than is desired.In this circumstance,

mechanism to be operated to accelerate or increase the .feed of'material to the severing or operative device asjcircumstances arisewhich'necessitate a correction of the feed.

According to one simple mode of carrying out this application of theinvention, the

forward draw rolls 11' may have a brake device 16 (Fig. 7) initially setconsistently to restrain them from deliveringthat quantity of materialwhich their circumference and/or rate of revolution according to theirgearing would cause them to deliver were they unrestrained. Immediatelythe machine begins to operate to deliver insuflicient lengths ofmaterial, the detector device establishes a. circuit upon the lines ofany of those previously described and causes the brake to be relieved,whereupon the rollers immediately commence to ad- Vance the greaterlength .of material which they would normally have fed had theiroperation been unrestrained. The roller will continue to advance theincreased lengths of material until the deficiency is made up when thebrake is again applied.

Accordingto a modification the detector device may be adapted to controlboth 'acceleration orincrease in rate of feed and retardation of thematerial according to whether it has lagged or crept with respect to thesevering device. This may be ac eomplished by providing a reversiblemotor, for example, as shown in Avery Pat ent No. 1,517,099, November25th, 1924, adapted to operate a compensating or sun and planet drivefor thedraw rolls. Alternatively, a pair of brakes may be utilized, one16 (Fig. 7) adapted to maintain a constant speed in the feed rollersuntil released when an increase of speed would occur, and another brake17 the effect of which may be superimposed on that of the first brake tocause retardation of the material.

In the case of control by acceleration and retardation, a pair ofdetectors may-be ar-' ranged so that when lag or creep occurs; one orother of duplicate circuits is made or introduced to operate theappropriate brake.

In. carrying the invention into efi'ect'for producing a retardation oran increase of rate of feed to the severing or operative device,according to whether thematerial has crept forward or lagged behind apredeter mined or normal rate, an appropriate roller A of the mac'hineisprovided with a pair of detector brushes or contacts a, (1*. Thesebrushes may be conveniently spaced apart at the periphery of the rollerA a sutficient distance to permit a perforation to lie mid way betweenthe two and so that if a perforation be a fraction (or a predeterminedperiod) early or late in arriving at one or other of the detectorbrushes, the appropriate circuit will be established by aid of one oftwo controllers or distributors. A

third brush a similar to .thefeeder brush already described is providedfor the roller A and adapted to act as a constant electrical feedingcontact device. a

Two controllers or distributors B and B are provided which rotate insynchronism with the operations of the severing or other device. Eachcontroller has three brushes, viz; e, e and e in association with thecontroller B which takes care of the retardation circuit, and f, f and fin association with the controller B (acceleration). An insulation stripor block b, b is provided for each of the controllers.

Relay devices 4 and 4: provided with armature switches 5 and at areemployed in the circuits for introducing parallel control circuits 7, 8and 7, 8 into the secondary circuits upon the principle alreadydescribed.

The'leads 7, 8 extend to a device 16-18 adapted to eflect theacceleration or speeding up of the forward draw rolls and the leads 7, 8control'the retardation of the draw rolls. The devices employed at or inconjunction with the draw rolls for effecting these urposes may be ofany appropriate kind; for. example, a reversible motor or brake meansmay be adopted as hereinbefore indicated;

The various brushes, relay and switch devices are connected up as shownin Figure 4.

The controllers B, B are set sothat under 7 normal conditionswhen thefeed is as desired and the material 1s 111 correct register with thesevering or operative device, the

insulation part b is due to come under the brush 0 and the part b is dueto leave the brush f at the moment when a. perforation passes beneaththe brush a on the one hand and beneaththe brush a* on the other.

For convenience and having regard to the short arcuate contact thematerial has.

with the roller A, the setting may be ar-J The position of the brushes0, e and f, f

may be adjustable in order to vary the period during which the secondaryclrcuit is maintained and, consequently, the length of time duringwhichthe means adapted to cause the correction of the material areoperative. I

In operation, assuming the material to have worked out of register bycreeping for- Ward,.a perforation will reach the brush a' earlier thannormally and, consequently, be-

fore the insulation strip 6 has arrived under the brush 6. Thus a pathis open to the current, via: brush a, controller B, brushes e, a, a andthrough-the relay coils 4* to the negative. The switch 5 is closed bythe energizing of the relay coils, introducing the secondary circuitwhich maintains the current in the parallel circuit 7, 8*, to cause theretardation of the material, until broken by the insulation strip '1) asit meets the brush a. 1

Should the material have lagged, a perforation will arrive late at thebrusha'.* and at a time when the insulation strip 6' has left the brush7, causing the primary circuit reason of the engagement of theinsulation strips with their respective brushes.

--In carrying the invention into effect according to an alternativearrangement to that above described for effecting the control of thematerialin both directions, a single controller B (Figure 5) may beemployed. The roller A, brushesa a* and a and the relay coils, armatureswitches and. parallel circuits, are arranged as already described nconnection with the modification represent ed in Figure 4. According tothis arrangement the brushes a and a* should be situated only so farapart as to admit eta-perforation conveniently to be accommodatedbetweenthe points of contact.

The controller B is provided withthree brushes, 0' and e the brush 6being adjust-' able in order to control'the period during Which'theacceleration or retardation of the material is efl'ected.\

The setting of the parts according to this modification of theinvention, should be such that the insulation strip 6 arrives in .thesituation shown in Figureh when the material is in correct register withthe sever ing or operative device andthe' perforations arrive ontimebetween the detector brushes. The dimension of the insulation strip6 and its setting should be arranged so that a small the invention intoeffect, the perforations margin of contact for the brushes 0, c with theconducting part of the controller and on each side of the insulationstrip, is allowed in respect to the .predetermined amount of lag orcreep upon which the required corrective operation comme'nces. Thismargin is sufficient to allow the primary circuit to be established toactuate the secondary circuit, when a perforation arrives early or late,as the case may be, at the detector brush a or a*, respectively, beforethe primary circuit is broken by the insulation strip passing beneaththe brush 6.

' In operation when the material has crept forward, a perforationarrives at the brush a earlier than itshould do but, nevertheless,before theinsulation strip 6 has passed under the brush e by reason ofthe margin above referred to.- Similarly when the material has laggedand a perforation arrives a fraction late at the brush a", a path isstill open for the current from the brush e to the brush e throngh thecontroller B. When the rate of feed is normal the rear of the insulation strip 7) lies under the brush e when the perforations pass beneaththe brush a.* and when the perforation advances under the brush a theinsulation 1) is under the tions withthe controller for establishingthe;

circuit in the first instance is caused to contact with a supplementaryinsulation over a portion of the circumference arranged so that thecircuit cannot be established through this brush exceptwhen the control-'lingdevice occupies that position in respect to the brush inconnectionwithwhich aparticular series of perforations is timed to cooperate. Inother words, for example, when w 'the controlling device is set to make,say, half a revolution for each operation of the severing device theparticular series would be alternate perforations and'whenthe in-Iappropriate alternate perforation arrived at the detecting device thebrush would lie on the supplementary insulation. Alternative- 113;, thisend may be achieved by retaining t e arrangement as, for'example, shownin Figure 1 and in providing the material with perforations spaced atintervals corresponding with the time taken for the fractionally drivencontroller to make one complete revolution.

According to another manner of carrying in the material may be utilizedas vents for a pneumatic system operating either upon the compressed airprinciple or upon a vacuum system.

The registration of an orifice in the material may either directly orindirectly through a controller or valve operate an electric switchmechanism to introduce a circuit for controlling the material according.

to any of the means above described. Alternatively, the pneumatic meansmay function entirely upon a neumatic system, the pressure or vacuum eect being conveyed to an appropriate mechanical device by conduits tooperate means for advancing or retarding the material with respect tothe severing device.

According to one mode of carrying the inventioninto effect upon thecompressedair or vacuum system, pneumatic orifices or a slot form oforifice may be adapted to co-operate with the material which when thematerialis in the correct situation, although registering with anorifice, will not cause the I kind devices dependent thereon to functionow-- ing to the situation of a rotary controlling or master valve, suchvalve being set to function synchronously with the severing device andpermit the pneumatic pressure or vacuum to take effect only when a holeor perforation in the material arrives late or early with respect to thesituation of the valve.

Having now described my invention, what I claim as new and desire tosecure by Letters Patent is 1. A method for the purposes and of the kinddescribed comprising retarding or increasing the relative rate offeed-or delivery of the material according to whether a perforation inthe material arrives early or late in respect to a predetermined normalmoment of arrival at a stationary detector or detectors and in respectto the arrival at a certain point of a moving element removed from thematerial and timed constantly to arrive at that point in synchronismwith the operations of the severing or other device. I a

2. A methodfor the purposes and of the kind described comprisingcontinuously feeding or tending to feed a longer or shorter length ofmaterial to the severing or opeerative device than is required accordingtothe intervals at which it is intended the material is to be operatedupon in relation to the mark or imjprint and automatically retarding inthe one case or advancing in the otherthe relative rate of-feed of vthematerial to the severing or other device according to the disposition ofa perforation in the material in respect to a fixed 'orpredeterminedpoint.

3. A method for the purposes and of the described comprisingcontinuously feeding or tending to feed a longer or shorter length ofmaterial to the severing or operative device than is requ red accordingto the intervals at which it is intended the material is to be operatedupon in relation to the mark or imprint and automatically retarding inthe one case or advancing in the.

other the relative rate of feed of the material to the severing or otherdevice accord- I ing to the disposition of a perforation in the materialin respect to a fixed point, and in reference to the arrival at acertain point of a moving element timed constantly to arrive at thatpoint in synchronism with the operations of the severing or otherdevice.-

4. A method for the purposes and-of the kind described comprisingfeeding or delivering material to a severing or operative device at thenormal rate required according to theintervals at which it isintendedthe material is to be operated upon "in relation to the mark orimprint and eitherautomatically retarding or advancing the relative rateof feed or delivery of the =material, dependent upon the early or latearrival of a per foration at one or other of a pair of st tionarydetecting contacts or devices and respect to the arrival at alcert'ainpoint of v a moving means timed constantly to arrive at that point insynchronis'm with the operations of the severing or. other device; 5. Amethod for the purposes and of the kind described comprisingestablishing. a primary electric circuit througha perforation inthematerial, causing the current in i such circuit to introduce asecondary circuit, causing the latter circuitto. be "maintained for aperiod and utilizing the current to operate means adapted to -retard orad- ,vance the relative rate of feed of the mate rial to a severing orother de vic e.

6. A method as claimed inEclaim 5, char acterized in this, thattlfeprimaryicircuit is made through a perforation in the material andbroken at a point away from the material. y v

7. The method of feeding a web of material having a series ofperforations therein and acting thereon at predetermined intervals inthe length thereof, which comprises feeding the web along, closing-j anelectritroller means operating synchronously with said devicefor-:acting on said. web, a detector device for'j clo'singan electricalcircuit through'a perforation in said web, means" for permittingacircuit 'to'be closed through said detectordevice and controller whenthe web reaches the devicefor acting thereon out of proper registertherewith, andmeans controlled bytsaid circuit for modifying the speedof movement of theweb so as to cause the same toreach the'devicelforacting thereon in proper register.

9. 'In a device of the character described,

feed rollsfor a web of material having a plurality of perforationstherein, a sev ering device for. severing predetermined lengths ofmaterial fedthereto by said feed rolls, a detector device, a controller,meansfor permitting an electrical circuit to be closed through aperforation in-the web and through-said detector device and controllerwhen the web reaches the severing device out of proper registertherewith, and means controlled by said circuit for modifying themovement of the Web to cause the same to reach said severing device inproper register.

10. In a device of the character described,

feed rolls for a web of material having a plurality of perforationstherein, severing means for severing predetermined lengths or saidmaterial fed by said feed rolls, a con- 'troller operating synchronouslywith said severing device, means for closing a circuit through aperforation in "said" web andthrough -said controller when the webreaches the severing device out of" proper register therewith, meanscontrolled by said circuit for causing the feed of the web to bemodified so as to cause the same to reach the sever.

ing device in proper register, and means to preventthe closing of saidcircuit when the web reaches the severing device in proper registertherewith.

11. The method of feeldihg a web of matein proper predetermined"register, said co 1 rial having a series ioffperforations,therein i8!travelling web to bemoditied to cause-the 46 same-tocome inproperregister.

12. In a device of thecharacter.described; feed rolls for aweb;ofmaterial Lh'avingia plurality of perforations the-rein, means foracting thereon at intervals in thelength 50 thereof, a controlleroperating. synchronous-e 1y with said severing'device, means for-c'los-I1 mg an electric circuit through-a perforation i in-said web and throughsaid'controllerwhenf the web reaches the means for acting th re; on' outof predete'minedproper register therewith, means under the jcontiol ofsuch circuit for causing saiddevicefo'r acting on said web atinterVaIs-andsaid-web' to come troller ha'ving insulating means-forprevej ing the closing of said circuit when said-web and said means foractingthere'on at intere. vals come in proper-predetermined register.

In testimony whereof I have signed my name to this specification .1. I c

- HARRY HUltiPHREYS;

